For this update the quality of the evidence was assessed using the GRADE approach (Schunemann 2009) to assess the quality of the body of evidence related to the following key outcomes for the main comparison group antenatal care versus individual antenatal care.
Preterm birth.
Low birthweight.
Perinatal mortality.
Neonatal intensive care unit (NICU) admission.
Maternal satisfaction with antenatal care.
Mode of birth (spontaneous vaginal birth).